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Finding the Fourth Proportional to 133,599.80, 200,010.90 and 118,047.80

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Solution

The fourth proportional to 133,599.80, 200,010.90 and 118,047.80 is: 176,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,599.80 : 200,010.90 = 118,047.80 : x
  2. Step 2: Convert to fraction form
    133,599.80/200,010.90 = 118,047.80/x
  3. Step 3: Cross multiply
    133,599.80x = 200,010.90 × 118,047.80
  4. Step 4: Simplify right side
    133,599.80x = 23,610,846,721.02
  5. Step 5: Solve for x
    x = 23,610,846,721.02/133,599.80
  6. Step 6: Final answer
    x = 176,728.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.